using UnityEngine;
using UnityEngine.UI;
using System.Collections.Generic;
using TMPro;
using XMLTool;
using UnityEngine.EventSystems;
using System;

namespace QFramework.Example
{
    public class UIBackPackData : UIPanelData
    {
        public List<string> devices;
        public bool random = false;
        public float scrollSpeed = 25;
        public string position;
    }
    public partial class UIBackPack : UIPanel
    {
        ResLoader mResLoader;
        Dictionary<Device, GameObject> dict = new Dictionary<Device, GameObject>();
        protected override void OnInit(IUIData uiData = null)
        {
            mData = uiData as UIBackPackData ?? new UIBackPackData();
            mResLoader = ResLoader.Allocate();
            TypeEventSystem.Global.Register<OnModuleQuit>(OnModuleQuit).UnRegisterWhenGameObjectDestroyed(gameObject);
            // please add init code here

        }

        private void OnPickDeviceHandler(OnPickDevice device)
        {
            ItemFactory(device.device);
            mResLoader.LoadAsync();
        }

        public void ItemFactory(Device item)
        {
            if (dict.ContainsKey(item) == false)
            {
                GameObject obj = GameObject.Instantiate(ItemPrefab.gameObject, Content);
                obj.name = item.Name;
                obj.transform.Find("Name").GetComponent<TextMeshProUGUI>().text = item.Name;
                Image icon = obj.transform.Find("IconBg/Icon").GetComponent<Image>();
                var localImageUrl = Global.deviceIconsPath + item.Icon;
                GameObject right = icon.transform.Find("Right").gameObject;
                GameObject wrong = icon.transform.Find("Wrong").gameObject;
                GameObject Selected = icon.transform.Find("Selected").gameObject;
                mResLoader.Add2Load(localImageUrl.ToNetImageResName(),
                    (bool success, IRes res) =>
                    {
                        if (success)
                        {
                            icon.sprite = Utility.GetSprite(res.Asset as Texture2D);
                        }
                    });
                Button btn = obj.GetComponent<Button>();
                btn.onClick.AddListener(() => Drop(item.Name, obj));
                obj.OnPointerUpEvent(OnClickUp);
                dict.Add(item, obj);
            }
            int count = PlayerController.Instance.HasDevice(item.Name).count;
            if (count > 0)
            {
                dict[item].transform.Find("IconBg/Icon/Count").GetComponent<TextMeshProUGUI>().text = count.ToString();
            }
            else
            {
                dict[item].transform.Find("IconBg/Icon/Count").GetComponent<TextMeshProUGUI>().text = string.Empty;
            }

        }

        private void OnClickUp(PointerEventData data)
        {
            switch (data.button)
            {
                case PointerEventData.InputButton.Left:
                    break;
                case PointerEventData.InputButton.Right:
                    GameObject obj = data.pointerPress;
                    var device = DeviceController.Instance.GetDevice(obj.name);
                    UIRightMenuData uiData = new UIRightMenuData();
                    uiData.btns = device.rightMenu.items;
                    uiData.OnBtnClick = str =>
                    {
                        if (str.Equals("丢弃", System.StringComparison.Ordinal))
                        {
                            Drop(device.Name, obj);
                        }
                    };
                    UIKit.OpenPanelAsync<UIRightMenu>(canvasLevel: UILevel.PopUI, uiData: uiData).ToAction().StartGlobal();
                    break;
                case PointerEventData.InputButton.Middle:
                    break;
            }
        }

        protected override void OnOpen(IUIData uiData = null)
        {
            mData = uiData as UIBackPackData ?? new UIBackPackData();
            TypeEventSystem.Global.Register<OnPickDevice>(OnPickDeviceHandler);
            Content.RemoveAllChildren();

            foreach (var dictItem in PlayerController.Instance.hasDevicesDict)
            {
                var device = dictItem.Value.device;
                var item = DeviceController.Instance.GetDevice(device.Name);
                if (item == null)
                {
                    Debug.LogError(device + ":没有找到对应的Device配置");
                    return;
                }
                ItemFactory(item);
            }
            mResLoader.LoadAsync();
            Scroll.verticalNormalizedPosition = 1;


            switch (mData.position)
            {
                case "left":
                    // 将锚点设为父容器的右侧中间（Middle-Right）
                    bg.rectTransform.anchorMin = new Vector2(0, 0.5f); // 左下锚点（右侧）
                    bg.rectTransform.anchorMax = new Vector2(0, 0.5f); // 右上锚点（右侧）

                    // 将位置偏移归零（相对于锚点）
                    bg.rectTransform.anchoredPosition = Vector2.zero;

                    // 可选：设置轴心点为右侧中点（影响缩放/旋转中心）
                    bg.rectTransform.pivot = new Vector2(0, 0.5f);
                    break;
                case "right":
                default:
                    // 将锚点设为父容器的右侧中间（Middle-Right）
                    bg.rectTransform.anchorMin = new Vector2(1, 0.5f); // 左下锚点（右侧）
                    bg.rectTransform.anchorMax = new Vector2(1, 0.5f); // 右上锚点（右侧）

                    // 将位置偏移归零（相对于锚点）
                    bg.rectTransform.anchoredPosition = Vector2.zero;

                    // 可选：设置轴心点为右侧中点（影响缩放/旋转中心）
                    bg.rectTransform.pivot = new Vector2(1, 0.5f);
                    break;
            }
        }

        public void Drop(string name, GameObject obj)
        {
            int count = PlayerController.Instance.DropDevice(name);
            if (count <= 0)
            {
                var device = DeviceController.Instance.GetDevice(obj.name);
                if (dict.ContainsKey(device))
                {
                    dict.Remove(device);
                }
                GameObject.Destroy(obj);
            }
            else
            {
                obj.transform.Find("IconBg/Icon/Count").GetComponent<TextMeshProUGUI>().text = count.ToString();

            }
        }


        protected override void OnShow()
        {
        }

        protected override void OnHide()
        {
            TypeEventSystem.Global.UnRegister<OnPickDevice>(OnPickDeviceHandler);
        }

        protected override void OnClose()
        {
            TypeEventSystem.Global.UnRegister<OnPickDevice>(OnPickDeviceHandler);
        }
        public void OnModuleQuit(OnModuleQuit arg)
        {
            Hide();
        }
    }
}